Confirmation Check Project: Urinalysis or Blood Test

A one-week-old baby broke a mercury thermometer, played indoors for a long time, fell asleep there at noon, and was discovered later in the afternoon. The thermometer and toys were stored together, played with for a long time without washing the face, had some biscuits, and the toys also touched the rice powder bucket. The baby has eaten rice powder twice and is in good spirits. Do you need to go to the hospital for a check-up? Should it be a urinalysis or blood test?
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